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Short- and Long-term Performance of Fibre-Reinforced Cement Proffi ififi le Sheets Containing Asbestos and Non-asbestos Materials 88 The Journal of the Royal Institute of Thailand Vol. 37 No. 4 Oct-Dec 2012 Figure 1 Major compounds of cement present in each type of tile Figure 2 Short fibers present in a) blue tile and b) brown tile Figure 3 Long and discrete fibers present in a) red tile and b) green tile